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    <title>el</title>

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    <h2>JSP EL使用例子 八</h2>
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  			<td><b>EL表达式</b></td>
  			<td><b>输出结果</b></td>
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  			<td>\${header["host"] }</td>
  			<td>${header["host"] }</td>
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  			<td>\${header["user-agent"] }</td>
  			<td>${header["user-agent"] }</td>
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